CN201620836U - Exploiting device using high-pressure gas well to inject intermittent on-off gas well - Google Patents
Exploiting device using high-pressure gas well to inject intermittent on-off gas well Download PDFInfo
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- CN201620836U CN201620836U CN2010201229617U CN201020122961U CN201620836U CN 201620836 U CN201620836 U CN 201620836U CN 2010201229617 U CN2010201229617 U CN 2010201229617U CN 201020122961 U CN201020122961 U CN 201020122961U CN 201620836 U CN201620836 U CN 201620836U
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Abstract
An exploiting device using a high-pressure gas well to inject an intermittent on-off gas well is applied to natural gas exploitation in gas fields. A gas inlet of a high-pressure heating furnace is connected with a high-pressure gas well via a pipeline, a gas outlet of the high-pressure heating furnace is serially connected with a valve, a needle vale and a plug valve via a pipeline, an outlet of the plug valve is connected to an inlet of a natural gas jet device via a pipeline, an outlet of the natural gas jet device is connected with a throttling manifold via a pipeline, a gas inlet of a heating furnace is connected with a low-pressure gas well via a pipeline, a gas outlet of the heating furnace is connected with the throttling manifold via a pipeline, the pipeline from the gas outlet of the heating furnace to the throttling manifold is connected to a sucking opening of the natural gas jet device, and a pipeline from a tee to the sucking opening of the natural gas jet device is serially connected with a valve, a needle valve, a flow meter and a safety valve. The exploiting device using a high-pressure gas well to inject an intermittent on-off gas well has the advantages of leading an intermittent gas well with casing pressure lower than 8 MPa to perform gas exploitation production continuously and stably after inlet pressure is decreased to system pressure by utilizing the high-pressure gas well to provide required energy for continuous production of the low-pressure gas well.
Description
Technical field
The utility model relates to the natural gas extraction technical field, open in the middle of the gas well production of particularly a kind of gas field gas gathering station gas well continuously, the injection quarrying apparatus of steady production.
Background technology
The effect of natural gas extraction in the national economic development is very important, for people's life, industrial production provide clean energy resource and raw material.
Gas well often is attended by formation water, condensation water or condensate output on stream.Water pumping gas production is the measure of gas well production main technique at present, and domestic normal employing water drainage-gas recovery technology measure at present has: preferred tubing string draining, gaslift water pumping gas production, suction draining, plunger lift water pumping gas production, electric submersible pump water pumping gas production, jet pump water pumping gas production, foaming water discharge gas production etc.
Gas field, Yulin is through exploitation for many years, and stratum energy reduces year by year, and low pressure, gas stringer increase year by year.39 mouthfuls of at present existing low yield, poor efficiency gas wells account for 22.67% of total well number, and the individual well average product is 0.24 * 10
4m
3/ d.There are 23 implication wells to drive gas well between being in the 39 implication wells, take technological measures such as " carry and produce band liquid+foaming water discharge gas production ".Because the effective control range of gas well is little, gas well yields poorly, fluid-carrying capability is poor, and hydrops still can not normally be taken liquid behind the adding foam discharging agent more for a long time, can't produce continuously.And have part gas well casing pressure lower, because producing pressure differential is big, the back pressure that drives a well is reduced to system pressure rapidly, can not produce.
Develop a kind of and open the gas well exploitation method, utilize the energy of a bite high-pressure gas well, a plurality of of injections open gas well make its can be continuously, simple, the effective gas producing device of steady production.
The utility model content
The purpose of this utility model is: provide between a kind of high-pressure gas well injection and open the gas well quarrying apparatus, drive gas well between the exploitation safely and effectively, rate when driving gas well between raising and driving a well.Make the low gas well of casing pressure after oil pressure is reduced to system pressure, still can be continuously, steady production, can normally take liquid, thus lasting, steady production.
The technical solution adopted in the utility model is: open the gas well quarrying apparatus between the high-pressure gas well injection, mainly form by heating furnace, high-pressure well heating furnace, valve, needle-valve, plug valve, natural gas ejector, blow-down pipe, flow meter and choke manifold, it is characterized in that: the air inlet port of high-pressure well heating furnace has pipeline to connect a bite high-pressure gas well, there are pipeline polyphone valve, needle-valve and plug valve in the gas outlet of high-pressure well heating furnace, the outlet of plug valve has pipeline to connect the inlet of natural gas ejector, has pipeline to connect choke manifold in the outlet of natural gas ejector.Be connected with threeway on the pipeline of the gas outlet of high-pressure well heating furnace, the pipeline that threeway connects is connected to choke manifold; Air inlet port at heating furnace has pipeline to connect low-pressure gas well, and the gas outlet of heating furnace has pipeline to connect the stream manifold.
Be connected with pipeline by threeway in the heating furnace gas outlet to the pipeline of choke manifold, pipeline is connected to the intake of natural gas ejector.Lead on the pipeline of natural gas ejector intake three and to be in series with valve, needle-valve, flow meter and safety valve.
The exhaust opening of safety valve has pipeline to connect blow-down pipe; The exhaust opening of plug valve has pipeline to connect blow-down pipe.
What described valve adopted is the DN65 slide valve, and needle-valve is the DN50 needle-valve, and plug valve is the DN50 plug valve, and flow meter is the DN20 flow meter, and safety valve is the DN50 safety valve.
Open the operating principle of gas well quarrying apparatus between the high-pressure gas well injection: consult Fig. 1.Flatly or many implications well stratum energy deficiency, gas well pressure is lower than system pressure can't ordinary production the time in the gas gathering station, utilizes the high pressure draught of a bite high-pressure gas well, by the air-flow of natural gas ejector 6 ejections, the natural gas of draws low pressure gas well.The natural gas that is low pressure well enters the natural gas ejector by low pressure mixing weighing unit after finishing pressure, output adjusting.
Natural gas via heating furnace heating 2 heating of high-pressure gas well, by entering the high-pressure natural gas passage behind DN65 slide valve 3, DN50 needle-valve 4, the drain cock valve 5, and be adjusted to required pressure, output by Throttle needle valve 4, and high pressure draught is in the throttling of venturi place, step-down, and pressure is reduced to about 1MPa.
Three mouthfuls of low-pressure gas wells come gas to enter the station after the heating furnace heating, come gas to converge by DN65 slide valve, DN50 needle-valve, flow meter 9 backs with other low-pressure gas well, combined gas streams enters natural gas ejector 6, mixes with high-pressure natural gas under differential pressure action, and mixing back pressure is system pressure.Mixed gas enters high-pressure gas well station gut line, enters choke manifold 10, is assigned to the metering of metering separator discontinuous at choke manifold 10, and variable is high-pressure natural gas flow and each low pressure natural gas flow sum.
The beneficial effects of the utility model: open the gas well quarrying apparatus between the utility model high-pressure gas well injection, utilize high-pressure gas well that the continuous production of low-pressure gas well institute energy requirement is provided, casing pressure can be lower than 8MPa between drive gas well and after the pressure that enters the station is reduced to system pressure, continuously, steadily carry out gas production production; Can make high pressure, low-pressure gas well well head pressure steady, reduce the exciting injury in stratum; Methyl alcohol injection rate when having reduced natural gas well gas production.Casing pressure be lower than 8MPa between drive gas well, can be normally, continue to produce; Rate when opening the driving a well of gas well between having improved; Open gas well main distribution pressure between having reduced, improved the pipeline safety coefficient; Reduced hydrate-formation temperature.
Description of drawings
Fig. 1 is a structural representation of opening the gas well quarrying apparatus between the utility model high-pressure gas well injection.
Among the figure, 1. heating furnace, 2. high-pressure well heating furnace, 3. valve, 4. needle-valve, 5. plug valve, 6. natural gas ejector, 7. blow-down pipe, 8. safety valve, 9. flow meter, 10. choke manifold.
The specific embodiment
Embodiment 1: to open the gas well quarrying apparatus between a high-pressure gas well injection is example, and the utility model is described in further detail.
Consult Fig. 1.Open the gas well quarrying apparatus between the utility model high-pressure gas well injection, mainly form by heating furnace 1, high-pressure well heating furnace 2, valve 3 (DN65 slide valve), needle-valve 4 (DN50 needle-valve), plug valve 5 (DN50 plug valve), natural gas ejector 6, blow-down pipe 7, flow meter 9 (DN20 flow meter) and choke manifold 10.
The air inlet port of high-pressure well heating furnace 2 has pipeline to connect a bite high-pressure gas well, there are valve of pipeline polyphone 3, a needle-valve 4 and a plug valve 5 in the gas outlet of high-pressure well heating furnace 2, the outlet of plug valve 5 has pipeline to connect the inlet of natural gas ejector 6, and the exhaust opening of plug valve 5 has pipeline to connect blow-down pipe 7; Outlet at natural gas ejector 6 has pipeline to connect choke manifold 10, is connected with a DN65 slide valve on pipeline.
Be connected with a threeway on the pipeline of the gas outlet of high-pressure well heating furnace 2, the pipeline that threeway connects is connected to choke manifold 10, is connected with a DN65 slide valve on pipeline.
Air inlet port at heating furnace 1 has pipeline to connect two mouthfuls of low-pressure gas wells, and two gas outlets of heating furnace 1 have two pipelines to connect stream manifold 10, are connected with a DN50 needle-valve on every pipeline.
Two gas outlets at heating furnace 1 are connected with pipeline by threeway respectively to the pipeline of choke manifold 10, pipeline is connected to the intake of natural gas ejector 6.Three lead to and be in series with a valve 3, needle-valve 4, a flow meter 9 on the pipeline of natural gas ejector 6 intakes at each.After gathering, pipeline is connected to the intake of natural gas ejector 6.A safety valve 8 (DN50 safety valve) is arranged on the pipeline after gathering.
The exhaust opening of safety valve 8 has pipeline to connect blow-down pipe 7.
Claims (2)
1. open the gas well quarrying apparatus between a high-pressure gas well injection, mainly by heating furnace (1), high-pressure well heating furnace (2), valve (3), needle-valve (4), plug valve (5), natural gas ejector (6), blow-down pipe (7), flow meter (9) and choke manifold (10) are formed, it is characterized in that: the air inlet port of high-pressure well heating furnace (2) has pipeline to connect a bite high-pressure gas well, there is pipeline polyphone valve (3) gas outlet of high-pressure well heating furnace (2), needle-valve (4) and plug valve (5), the outlet of plug valve (5) has pipeline to connect the inlet of natural gas ejector (6), has pipeline to connect choke manifold (10) in the outlet of natural gas ejector (6); Be connected with threeway on the gas outlet pipeline of high-pressure well heating furnace (2), the pipeline that threeway connects is connected to choke manifold (10); Air inlet port at heating furnace (1) has pipeline to connect low-pressure gas well, and the gas outlet of heating furnace (1) has pipeline to connect stream manifold (10);
Be connected with pipeline by threeway in heating furnace (1) gas outlet to the pipeline of choke manifold (10), pipeline is connected to the intake of natural gas ejector (6); Lead on the pipeline of natural gas ejector (6) intake three and to be in series with valve (3), needle-valve (4), flow meter (9) and safety valve (8);
The exhaust opening of safety valve (8) has pipeline to connect blow-down pipe (7); The exhaust opening of plug valve (5) has pipeline to connect blow-down pipe (7).
2. open the gas well quarrying apparatus between high-pressure gas well injection according to claim 1, it is characterized in that: what described valve (3) adopted is the DN65 slide valve, needle-valve (4) is the DN50 needle-valve, plug valve (5) is the DN50 plug valve, flow meter (9) is the DN20 flow meter, and safety valve (8) is the DN50 safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201229617U CN201620836U (en) | 2010-03-03 | 2010-03-03 | Exploiting device using high-pressure gas well to inject intermittent on-off gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201229617U CN201620836U (en) | 2010-03-03 | 2010-03-03 | Exploiting device using high-pressure gas well to inject intermittent on-off gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620836U true CN201620836U (en) | 2010-11-03 |
Family
ID=43024292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201229617U Expired - Lifetime CN201620836U (en) | 2010-03-03 | 2010-03-03 | Exploiting device using high-pressure gas well to inject intermittent on-off gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201620836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006285A (en) * | 2013-02-22 | 2014-08-27 | 西门子公司 | Drainage system for gas turbine |
| CN104100235A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Gathering and transportation skid-mounted device for gas injection and production of salt cavern gas storage and process method |
| CN109469460A (en) * | 2018-05-14 | 2019-03-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN111512017A (en) * | 2017-09-15 | 2020-08-07 | 因特里加斯Csm服务有限公司 | Low-pressure gas-lift type artificial lifting system and method |
-
2010
- 2010-03-03 CN CN2010201229617U patent/CN201620836U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006285A (en) * | 2013-02-22 | 2014-08-27 | 西门子公司 | Drainage system for gas turbine |
| WO2014128041A3 (en) * | 2013-02-22 | 2014-12-31 | Siemens Aktiengesellschaft | Drainage system for gas turbine |
| US10054010B2 (en) | 2013-02-22 | 2018-08-21 | Siemens Aktiengesellschaft | Drainage system for gas turbine |
| CN104100235A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Gathering and transportation skid-mounted device for gas injection and production of salt cavern gas storage and process method |
| CN104100235B (en) * | 2013-04-03 | 2016-06-08 | 中国石油天然气股份有限公司 | A kind of salt hole air reserved storeroom note defeated skid of gas production collection is put and process |
| CN111512017A (en) * | 2017-09-15 | 2020-08-07 | 因特里加斯Csm服务有限公司 | Low-pressure gas-lift type artificial lifting system and method |
| CN109469460A (en) * | 2018-05-14 | 2019-03-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |